What’s Vulnerable › Vulnerabilities

CVE-2018-5814

• Severity: high (CVSS 7.0 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-06-12 · updated 2026-06-17
• Weakness: CWE-362

Description

In the Linux Kernel before version 4.16.11, 4.14.43, 4.9.102, and 4.4.133, multiple race condition errors when handling probe, disconnect, and rebind operations can be exploited to trigger a use-after-free condition or a NULL pointer dereference by sending multiple USB over IP packets.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04
• Debian Linux: 8.0
• Linux kernel: before 4.4.133; from 4.5 through 4.9.102; from 4.10 through 4.14.43; from 4.15 through 4.16.11 — fixed in 4.4.133

How to fix

Upgrade to a fixed version: Linux kernel 4.4.133. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
• http://www.securitytracker.com/id/1041050
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.43
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.11
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.133
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.102
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=22076557b07c12086eeb16b8ce2b0b735f7a27e7
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=c171654caa875919be3c533d3518da8be5be966e
• https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html
• https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html
• https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
• https://secuniaresearch.flexerasoftware.com/advisories/81540/

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